SWING CHECK VALVES FOR PIPELINE APPLICATIONS 1 / 8. Rev. 0 del 03/09/09 ATV-SC-01ld.doc

Transcription

1 SWING CHECK VALVES FOR PIPELINE APPLICATIONS 1 / 8

2 1. MODELS ATV Spa manufactures a full range of swing check valves valves for production, processing and transmission applications. Swing check valves are typically full bore with optimized design of body cavity and disk for piggability, including the capability to handle intelligent pigs. Reduced bore check valves can be supplied on request for specific applications in pumping stations. Check valves can be supplied with dampening system to increase the closing time and avoid shocks and with clapper lifting device operated manually and by remote controlled actuators. Lost motion devices can be supplied to reduce the wear on the shaft seals and sensors for remote indication of clapper position are also available. ATV Spa Through Conduit Gate Valves comply with following industry standards: API 6D ISO API 6A ISO ANSI B16.34 API 6FA PED NORSOK Swing check valve subsea ( SSIV ) 18 ANSI 1500 Carbon steel fully cladded StatoilHydro Gjoa MODEL STANDARD VALVE VALVE TYPE CONSTRUCTION SIZE ATV-SC-D API 6D Swing check Bolted bonnet 2 and larger ATV-SC-A API 6A Swing check Bolted bonnet 2 and lager 2 / 8

3 2. DESIGN AND QUALIFICATIONS ATV Spa has implemented state of the art design and qualification processes Design is carried out using advanced parametric design tools and solid modelling programs. Structural design is optimized and verified with FEA analysis and in compliance with recognized design standards, including ASME Sect. VIII Div. 1 and 2 and PD ATV Spa performs also CFD analysis to predict the pressure drop, the position of the clapper disk thru the full range of flow rates and the dynamic response of the clapper in case of slam shut events. Such analysis are required to verify that the valve will perform adequately in service. Extensive qualification programs include the following tests: - Bending test - Slam shut test - Sand slurry test - Fire testing to API 6FA / API 607 / BS - Low temperature test - Fugitive emission testing according to ISO Complete qualification according to API 6A PR2 Appendix F - Complete qualification according to ABNT Tests are carried out in a state of the art test facility equipped with data acquisition system and all relevant instruments 3 / 8

4 3. SWING CHECK VALVES API 6D Features - Full bore - Piggable - Cast body construction - Bubble tight - Bolted bonnet - Welded-in or removeable seat - Soft or metal seated - Fire-safe - Fugitive emission Applicable standards - API 6D ISO ANSI B ANSI B API 6FA - IEC and ( HIPPS systems ) - NACE MR0175 / ISO Range - 2 to 70 Class to 60 Class to 60 Class to 48 Class to 42 Class to 24 Class 2500 Swing check valve subsea w/ clapper lock-open device Cuu Long Su Tu Vang Ends - Flanged to ANSI B B MSS SP-44 - Compact flange NORSOK L005 - Hub connectors - Butt weld ends to ANSI B16.25 Materials - Carbon steel - Low temperature carbon steel - Stainless austenitic amd superaustenitic - Stainless duplex and superduplex ( NORSOK ) - Nickel superalloys ( Monel, Inconel 625, Hastelloy ) - Titanium Options - Conduit clapper - Hydraulic dampener - Lock open lever / clapper position indicator - Clapper position switches and transmitter 4 / 8

5 4. SWING CHECK VALVES API 6A Features - Full bore - Piggable - Cast body construction - Bubble tight - Bolted bonnet - Welded-in or removeable seat - Soft or metal seated - Fire-safe - Fugitive emission - Qualification to API 6A PR2 Appendix F Applicable standards - API 6A ISO API 6FA - IEC and ( HIPPS systems ) - NACE MR0175 / ISO Range /16 to 13 Class /16 to 13 Class /16 to 13 Class /16 to 13 Class /16 to 9 Class Swing check valve subsea 4-1/16 10ksi Jubilee project - KosmosOil Ends - Flanged to API 6A ISO Hub connectors - Butt weld ends to ANSI B16.25 Materials - High strenght low carbon steel - Low temperature low alloy steel - Stainless duplex and superduplex ( NORSOK ) - Nickel superalloys (Inconel 625, Incoloy 925 ) Options - Conduit clapper - Hydraulic dampener - Lock open lever / clapper position indicator - Clapper position switches and transmitter 5 / 8

6 5. SPECIAL APPLICATIONS Lock open device - Clapper lifted to fully open position and secured - Manual operated or remetely operated with actuator - Local position indicator - Remote position indicator - Lock pad Counterweight assembly - Clapper counterweight to reduce pressure drop across valve - Clapper counterweight to reduce closing time - Protecting enclosure Hydraulic slam retarder - Allows quick opening of the check valves but prevents slamming - Hydraulic piston with adjustable flow control needle - Pressure relief valve to avoid overpressurization - Protecting enclosure Hydraulic rotary slam retarder - Allows quick opening of the check valves but prevents slamming - Rotary vane device with adjustable flow control needle - Pressure relief valve to avoid overpressurization Spring return clapper device - Provides a closing moment on the clapper shaft to achieve positive closure - Protecting enclosure Minimum flow port - Allows flow in the reverse direction thru the closed valve Position switches - Provides remote indciation of clapper position Position transmitter - Provides remote indciation of clapper position 6 / 8

7 6. CERTIFICATIONS ATV Spa holds the following accreditations: ISO 9001:2000 cert. n PED cert. n CE-PED-H-ATV BVI API 6A cert. n 6A-0880 API 6D cert. n 6D-0778 API 6DSS cert. n 6DSS-0004 API 17D cert. n 17D / 8

8 7. CONTACTS Office and plant address Advanced Technology Valve Spa Via Ombriano Colico (LC) ITALY Phone: +(39) ( operator ) +(39) ( sales dept) Fax: +(39) info@atvspa.com Contact sales dept. - Antonella De Giorgi adegiorgi@atvspa.com ATV S.p.A. Via Ombriano 2 Area Industriale Colico LC Italy Switchboard: Fax: CF / P. IVA / CCIA REA LC/ Capitale sociale EURO ,00 i.v. info@atvspa.com Subject to change without prior notice 8 / 8